7 
* The lungs are pectinate, finned like those of fish but are joined to an arcate, cylindrical, bulbous passage 
way, lacking a bony rod, unlike that of a fish , except in external appearance. 
page 196 
CHARACTERISTICS OF THE GENERA 
1. REPTILES. Footed, air breathing 
103. Testudo : body protected in a shell 
104. Draco : winged flying body 
105. Lacerta : a body (shelled or winged) that is naked and tailed 
106. Rana : a body similarly naked and without a tail I. * * * * * * * 9 
II. SERPENTES. Legless, air breathing 
107. Crotalus : abdominal and caudal scutes, with a rattle 
108. Boa : abdominal and caudal scutes, without a rattle 
109. Coluber : abdominal scutes, caudal scales 
110. Anguis : abdominal and caudal scales 
111. Amphisbaena : abdominal and caudal rings 
112. Coedlia [sic]: naked, lateral wrinkles 
III. NANTES. Finned, breathing air through their sides 
113. Petromyzon : 7 spiracles 
114. Raja : 5 spiracles below ; body depressed. 
115. Squalus : 5 lateral spiracles; smooth, rounded body 
116. Chimaera : 1 spiracle; 2 front incisor teeth 
117. Lophius : 1 spiracle; pectoral fins inserted in the forelimb 
118. Acipenser : 1 spiracle; retractable mouth 
page 197 
I. REPTILES 
Air breathing, four feet 
103. TESTUDO. Four-footed body; tailed; covered with a shell 
Mydas. 1 Turtle with flipper-like feet, two claws on the front feet, single claws on the hind 
feet, oval shell. 
Amoen. acad. 1. p. 138. Turtle with pointed claws, two on the front foot, one on 
the rear foot 
Mus. Ad. Fr. 1. p. 50. Dark-black turtle. 
Osb. iter. 293. 
Gesn. quadr. 78. Marine turtle. 
Aldr. quadr. 712. t. 714. 
Grew mus. 38. t. 3. f. 4 10 
Olear. mus. 27. t. 17. A 1. 
Bradl. natur. t. 4. f. 4 
(3. Seb. mus. 1. 1. 80. f. 9. American marine turtle called the Mydas. 
Amoen. acad. 1. p. 137. The same turtle 
Marcgr. bras. 241. The jurucuja to the people of Brazil 
Raj. quadr. 256. 
y Amoen. acad. 1. p. 287. n. 7. A turtle with sharp claws, with single ones on the 
front and hind feet. 
Mus. Ad. Fr. 1. p. 50. The same turtle 
Seb. mus. 1. t. 79. f. 4. 5. 6. 
